Author Question: When potassium channels open and the ions diffuse through the membrane, A) the inside of the ... (Read 139 times)

james9437 · **on:** Feb 28, 2019

When potassium channels open and the ions diffuse through the membrane,
A) the inside of the membrane will become more positive.
B) the inside of the membrane will become more negative.
C) there will be almost no effect on transmembrane potential.
D) the membrane will become depolarized.
E) the membrane will depolarize to threshold.

Question 2

Graded potentials
A) produce an effect that increases with distance from the point of stimulation.
B) produce an effect that spreads actively across the membrane surface.
C) may be either a depolarization or a hyperpolarization.
D) are often all-or-none.
E) cause repolarization.